Vulnerability identifier: #VU99990
Vulnerability risk: Low
CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-399
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a local user to perform service disruption.
The Linux kernel before 2.2.19 does not have unregister calls for (1) CPUID and (2) MSR drivers, which could cause a DoS (crash) by unloading and reloading the drivers.
Mitigation
Install update from vendor's repository.
Vulnerable software versions
Linux kernel: All versions
External links
https://marc.info/?l=bugtraq&m=98575345009963&w=2
https://marc.info/?l=bugtraq&m=98637996127004&w=2
https://marc.info/?l=bugtraq&m=98653252326445&w=2
https://marc.info/?l=bugtraq&m=98684172109474&w=2
https://marc.info/?l=bugtraq&m=98759029811377&w=2
https://marc.info/?l=bugtraq&m=98775114228203&w=2
https://marc.info/?l=bugtraq&m=99013830726309&w=2
https://www.linux.org.uk/VERSION/relnotes.2219.html
https://www.redhat.com/support/errata/RHSA-2001-047.html
https://www.debian.org/security/2001/dsa-047
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.